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Analysis

  • max time kernel
    1800s
  • max time network
    1696s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08/07/2021, 22:09

General

  • Target

    toolspab2 (12).exe

  • Size

    315KB

  • MD5

    1d20e1f65938e837ef1b88f10f1bd6c3

  • SHA1

    703d7098dbfc476d2181b7fc041cc23e49c368f1

  • SHA256

    05cd7440851f13dd8f489bb3c06eba385d85d7d9a77a612049c04c541a88593d

  • SHA512

    f9d333abe1f721b8d45d7bc6b5f286af09a8d233bd1d41f0ad891840cf742364aeca2cb6ccd6543f56a8eaf32804f82f72f961d16d5ba663ad706d164915a196

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

45.93.4.12:80

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 11 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 5 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (12).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (12).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (12).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (12).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2972
  • C:\Users\Admin\AppData\Local\Temp\FE5B.exe
    C:\Users\Admin\AppData\Local\Temp\FE5B.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4084
  • C:\Users\Admin\AppData\Local\Temp\9E.exe
    C:\Users\Admin\AppData\Local\Temp\9E.exe
    1⤵
    • Executes dropped EXE
    PID:3432
  • C:\Users\Admin\AppData\Local\Temp\542.exe
    C:\Users\Admin\AppData\Local\Temp\542.exe
    1⤵
    • Executes dropped EXE
    PID:1168
  • C:\Users\Admin\AppData\Local\Temp\92B.exe
    C:\Users\Admin\AppData\Local\Temp\92B.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3956
    • C:\Users\Admin\AppData\Local\Temp\92B.exe
      C:\Users\Admin\AppData\Local\Temp\92B.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3784
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3960
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3048
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3656
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1868
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2700
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2012
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:504
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3752
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2816
                    • C:\Users\Admin\AppData\Roaming\dujuifi
                      C:\Users\Admin\AppData\Roaming\dujuifi
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:3976
                      • C:\Users\Admin\AppData\Roaming\dujuifi
                        C:\Users\Admin\AppData\Roaming\dujuifi
                        2⤵
                        • Executes dropped EXE
                        PID:2272
                    • C:\Users\Admin\AppData\Roaming\dujuifi
                      C:\Users\Admin\AppData\Roaming\dujuifi
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:3120
                      • C:\Users\Admin\AppData\Roaming\dujuifi
                        C:\Users\Admin\AppData\Roaming\dujuifi
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:1996
                    • C:\Users\Admin\AppData\Roaming\dujuifi
                      C:\Users\Admin\AppData\Roaming\dujuifi
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1220
                      • C:\Users\Admin\AppData\Roaming\dujuifi
                        C:\Users\Admin\AppData\Roaming\dujuifi
                        2⤵
                        • Executes dropped EXE
                        PID:2636

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/504-174-0x0000000003020000-0x0000000003024000-memory.dmp

                      Filesize

                      16KB

                    • memory/504-175-0x0000000003010000-0x0000000003019000-memory.dmp

                      Filesize

                      36KB

                    • memory/1220-209-0x0000000000460000-0x000000000050E000-memory.dmp

                      Filesize

                      696KB

                    • memory/1868-148-0x00000000005B0000-0x00000000005BF000-memory.dmp

                      Filesize

                      60KB

                    • memory/1868-147-0x00000000005C0000-0x00000000005C9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2012-165-0x00000000003C0000-0x00000000003CC000-memory.dmp

                      Filesize

                      48KB

                    • memory/2012-164-0x00000000003D0000-0x00000000003D6000-memory.dmp

                      Filesize

                      24KB

                    • memory/2700-161-0x0000000002E40000-0x0000000002E45000-memory.dmp

                      Filesize

                      20KB

                    • memory/2700-162-0x0000000002E30000-0x0000000002E39000-memory.dmp

                      Filesize

                      36KB

                    • memory/2816-180-0x0000000002860000-0x0000000002865000-memory.dmp

                      Filesize

                      20KB

                    • memory/2816-181-0x0000000002850000-0x0000000002859000-memory.dmp

                      Filesize

                      36KB

                    • memory/2972-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3040-119-0x0000000001350000-0x0000000001367000-memory.dmp

                      Filesize

                      92KB

                    • memory/3040-203-0x00000000013A0000-0x00000000013B7000-memory.dmp

                      Filesize

                      92KB

                    • memory/3048-142-0x0000000001080000-0x000000000108C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3048-141-0x0000000001090000-0x0000000001097000-memory.dmp

                      Filesize

                      28KB

                    • memory/3656-145-0x00000000029E0000-0x00000000029EB000-memory.dmp

                      Filesize

                      44KB

                    • memory/3656-144-0x00000000029F0000-0x00000000029F7000-memory.dmp

                      Filesize

                      28KB

                    • memory/3680-117-0x0000000000540000-0x000000000054C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3752-177-0x0000000000D10000-0x0000000000D15000-memory.dmp

                      Filesize

                      20KB

                    • memory/3752-178-0x0000000000D00000-0x0000000000D09000-memory.dmp

                      Filesize

                      36KB

                    • memory/3784-182-0x0000000006320000-0x0000000006321000-memory.dmp

                      Filesize

                      4KB

                    • memory/3784-155-0x0000000005570000-0x0000000005571000-memory.dmp

                      Filesize

                      4KB

                    • memory/3784-150-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/3784-163-0x0000000005330000-0x0000000005331000-memory.dmp

                      Filesize

                      4KB

                    • memory/3784-183-0x0000000006A20000-0x0000000006A21000-memory.dmp

                      Filesize

                      4KB

                    • memory/3784-184-0x00000000064F0000-0x00000000064F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3784-185-0x0000000006700000-0x0000000006701000-memory.dmp

                      Filesize

                      4KB

                    • memory/3784-186-0x0000000007450000-0x0000000007451000-memory.dmp

                      Filesize

                      4KB

                    • memory/3784-158-0x00000000050C0000-0x00000000050C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3784-157-0x0000000005080000-0x0000000005081000-memory.dmp

                      Filesize

                      4KB

                    • memory/3784-169-0x0000000004F60000-0x0000000005566000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/3784-156-0x0000000005020000-0x0000000005021000-memory.dmp

                      Filesize

                      4KB

                    • memory/3956-140-0x0000000004C30000-0x0000000004C31000-memory.dmp

                      Filesize

                      4KB

                    • memory/3956-138-0x0000000004A00000-0x0000000004A01000-memory.dmp

                      Filesize

                      4KB

                    • memory/3956-137-0x0000000004A60000-0x0000000004A61000-memory.dmp

                      Filesize

                      4KB

                    • memory/3956-133-0x00000000001D0000-0x00000000001D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3960-136-0x0000000003080000-0x00000000030EB000-memory.dmp

                      Filesize

                      428KB

                    • memory/3960-135-0x00000000030F0000-0x0000000003164000-memory.dmp

                      Filesize

                      464KB

                    • memory/4084-160-0x0000000002110000-0x00000000021A1000-memory.dmp

                      Filesize

                      580KB

                    • memory/4084-166-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB